Waterproofing Skirting For Outside Installation BIM 800 ASN - BASE & TOP BIM Skirting is a technical profile for outside floors able to cover and join the waterproofing overlap. It is a two-part skirting consisting of a silver anodised aluminium base with a decorative top section. The base section fixes directly to the wall (with mechanical or adhesive fixing) offering durability and resistance to damp. The top section clips into the base, covering the base. Nice decorative effect created with two colours silver and micaceous grey. The base, available only in silver finish is conceived to match both the aluminium and micaceous TOPS. Available junctions and end plugs in synthetic resin Silver colour.